/*
 *************************************************************************
 * Ralink Tech Inc.
 * 5F., No.36, Taiyuan St., Jhubei City,
 * Hsinchu County 302,
 * Taiwan, R.O.C.
 *
 * (c) Copyright 2002-2010, Ralink Technology, Inc.
 *
 * This program is free software; you can redistribute it and/or modify  *
 * it under the terms of the GNU General Public License as published by  *
 * the Free Software Foundation; either version 2 of the License, or     *
 * (at your option) any later version.                                   *
 *                                                                       *
 * This program is distributed in the hope that it will be useful,       *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 * GNU General Public License for more details.                          *
 *                                                                       *
 * You should have received a copy of the GNU General Public License     *
 * along with this program; if not, write to the                         *
 * Free Software Foundation, Inc.,                                       *
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 *                                                                       *
 *************************************************************************/


#ifndef __DRS_EXTR_H__
#define __DRS_EXTR_H__

struct _RTMP_ADAPTER;
struct _MAC_TABLE_ENTRY;


typedef struct _RTMP_TX_RATE_SWITCH
{
	UCHAR   ItemNo;
#ifdef RT_BIG_ENDIAN
	UCHAR	Rsv2:2;
	UCHAR	Mode:2;
	UCHAR	Rsv1:1;	
	UCHAR	BW:1;
	UCHAR	ShortGI:1;
	UCHAR	STBC:1;
#else
	UCHAR	STBC:1;
	UCHAR	ShortGI:1;
	UCHAR	BW:1;
	UCHAR	Rsv1:1;
	UCHAR	Mode:2;
	UCHAR	Rsv2:2;
#endif	
	UCHAR   CurrMCS;
	UCHAR   TrainUp;
	UCHAR   TrainDown;
} RTMP_TX_RATE_SWITCH, *PRTMP_TX_RATE_SWITCH;

#define PTX_RATE_SWITCH_ENTRY(pTable, idx)	((PRTMP_TX_RATE_SWITCH)&(pTable[(idx+1)*5]))
#define RATE_TABLE_SIZE(pTable)			((pTable)[0])		/* Byte 0 is number of rate indices */
#define RATE_TABLE_INIT_INDEX(pTable)	((pTable)[1])		/* Byte 1 is initial rate index */

#ifdef NEW_RATE_ADAPT_SUPPORT
typedef struct  _RTMP_TX_RATE_SWITCH_3S
{
	UCHAR   ItemNo;
#ifdef RT_BIG_ENDIAN
	UCHAR	Rsv2:2;
	UCHAR	Mode:2;
	UCHAR	Rsv1:1;	
	UCHAR	BW:1;
	UCHAR	ShortGI:1;
	UCHAR	STBC:1;
#else
	UCHAR	STBC:1;
	UCHAR	ShortGI:1;
	UCHAR	BW:1;
	UCHAR	Rsv1:1;
	UCHAR	Mode:2;
	UCHAR	Rsv2:2;
#endif	
	UCHAR   CurrMCS;
	UCHAR   TrainUp;
	UCHAR   TrainDown;
	UCHAR	downMcs;
	UCHAR	upMcs3;
	UCHAR	upMcs2;
	UCHAR	upMcs1;
	UCHAR	dataRate;
} RTMP_TX_RATE_SWITCH_3S, *PRTMP_TX_RATE_SWITCH_3S;

#define PTX_RATE_SWITCH_ENTRY_3S(pTable, idx)	((PRTMP_TX_RATE_SWITCH_3S)&(pTable[(idx+1)*10]))
#endif /* NEW_RATE_ADAPT_SUPPORT */
	
enum RATE_ADAPT_ALG{
	RATE_ALG_LEGACY = 1,
	RATE_ALG_GRP = 2,
	RATE_ALG_AGS = 3,
	RATE_ALG_MAX_NUM
};


extern UCHAR RateSwitchTable[];
extern UCHAR RateSwitchTable11B[];
extern UCHAR RateSwitchTable11G[];
extern UCHAR RateSwitchTable11BG[];

#ifdef DOT11_N_SUPPORT
extern UCHAR RateSwitchTable11BGN1S[];
extern UCHAR RateSwitchTable11BGN2S[];
extern UCHAR RateSwitchTable11BGN2SForABand[];
extern UCHAR RateSwitchTable11N1S[];
extern UCHAR RateSwitchTable11N1SForABand[];
extern UCHAR RateSwitchTable11N2S[];
extern UCHAR RateSwitchTable11N2SForABand[];
extern UCHAR RateSwitchTable11BGN3S[];
extern UCHAR RateSwitchTable11BGN3SForABand[];

#ifdef NEW_RATE_ADAPT_SUPPORT
extern UCHAR RateSwitchTableAdapt11N1S[];
extern UCHAR RateSwitchTableAdapt11N2S[];
extern UCHAR RateSwitchTableAdapt11N3S[];

#define PER_THRD_ADJ			1

/* ADAPT_RATE_TABLE - true if pTable is one of the Adaptive Rate Switch tables */
#define ADAPT_RATE_TABLE(pTable)	((pTable)==RateSwitchTableAdapt11N1S || (pTable)==RateSwitchTableAdapt11N2S || (pTable)==RateSwitchTableAdapt11N3S)
#endif /* NEW_RATE_ADAPT_SUPPORT */
#endif /* DOT11_N_SUPPORT */


/* FUNCTION */
VOID MlmeGetSupportedMcs(
	IN struct _RTMP_ADAPTER *pAd,
	IN UCHAR	*pTable,
	OUT CHAR 	mcs[]);

UCHAR MlmeSelectTxRate(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN CHAR	mcs[],
	IN CHAR		Rssi,
	IN CHAR		RssiOffset);

VOID MlmeClearTxQuality(
	IN struct _MAC_TABLE_ENTRY *pEntry);

VOID MlmeClearAllTxQuality(
	IN struct _MAC_TABLE_ENTRY *pEntry);

VOID MlmeDecTxQuality(
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN UCHAR			rateIndex);

VOID MlmeSetTxQuality(
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN UCHAR			rateIndex,
	IN USHORT			txQuality);

USHORT MlmeGetTxQuality(
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN UCHAR			rateIndex);

VOID MlmeOldRateAdapt(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN UCHAR			CurrRateIdx,
	IN UCHAR			UpRateIdx,
	IN UCHAR			DownRateIdx,
	IN ULONG			TrainUp,
	IN ULONG			TrainDown,
	IN ULONG			TxErrorRatio);

VOID MlmeRestoreLastRate(
	IN struct _MAC_TABLE_ENTRY *pEntry);

VOID MlmeCheckRDG(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry);

VOID RTMPSetSupportMCS(
	IN struct _RTMP_ADAPTER *pAd,
	IN UCHAR OpMode,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN UCHAR SupRate[],
	IN UCHAR SupRateLen,
	IN UCHAR ExtRate[],
	IN UCHAR ExtRateLen,
	IN HT_CAPABILITY_IE *pHtCapability,
	IN UCHAR HtCapabilityLen);

#ifdef NEW_RATE_ADAPT_SUPPORT
VOID MlmeSetMcsGroup(
	IN struct _RTMP_ADAPTER *pAd,
	OUT struct _MAC_TABLE_ENTRY *pEntry);

UCHAR MlmeSelectUpRate(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN struct _RTMP_TX_RATE_SWITCH_3S *pCurrTxRate);

UCHAR MlmeSelectDownRate(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN UCHAR			CurrRateIdx);

VOID MlmeGetSupportedMcsAdapt(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN UCHAR	mcs23GI,
	OUT CHAR 	mcs[]);

UCHAR MlmeSelectTxRateAdapt(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN CHAR		mcs[],
	IN CHAR		Rssi,
	IN CHAR		RssiOffset);

BOOLEAN MlmeRAHybridRule(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN struct _RTMP_TX_RATE_SWITCH_3S *pCurrTxRate,
	IN ULONG			NewTxOkCount,
	IN ULONG			TxErrorRatio);

VOID MlmeNewRateAdapt(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN UCHAR			UpRateIdx,
	IN UCHAR			DownRateIdx,
	IN ULONG			TrainUp,
	IN ULONG			TrainDown,
	IN ULONG			TxErrorRatio);

INT	Set_PerThrdAdj_Proc(
	IN struct _RTMP_ADAPTER *pAd,
	IN PSTRING arg);

INT	Set_LowTrafficThrd_Proc(
	IN struct _RTMP_ADAPTER *pAd,
	IN PSTRING			arg);

INT	Set_TrainUpRule_Proc(
	IN struct _RTMP_ADAPTER *pAd,
	IN PSTRING			arg);

INT	Set_TrainUpRuleRSSI_Proc(
	IN struct _RTMP_ADAPTER *pAd,
	IN PSTRING			arg);

INT	Set_TrainUpLowThrd_Proc(
	IN struct _RTMP_ADAPTER *pAd,
	IN PSTRING			arg);

INT	Set_TrainUpHighThrd_Proc(
	IN struct _RTMP_ADAPTER *pAd,
	IN PSTRING			arg);

INT Set_RateTable_Proc(
	IN  struct _RTMP_ADAPTER *pAd,
	IN  PSTRING arg);


#ifdef CONFIG_STA_SUPPORT
VOID StaQuickResponeForRateUpExecAdapt(
	IN struct _RTMP_ADAPTER *pAd,
	IN ULONG i,
	IN CHAR  Rssi);

VOID MlmeDynamicTxRateSwitchingAdapt(
	IN struct _RTMP_ADAPTER *pAd,
	IN ULONG i,
	IN ULONG TxSuccess,
	IN ULONG TxRetransmit,
	IN ULONG TxFailCount);
#endif /* CONFIG_STA_SUPPORT */
#endif /* NEW_RATE_ADAPT_SUPPORT */


#ifdef CONFIG_STA_SUPPORT
VOID MlmeDynamicTxRateSwitching(
	IN struct _RTMP_ADAPTER *pAd);

VOID StaQuickResponeForRateUpExec(
	IN PVOID SystemSpecific1, 
	IN PVOID FunctionContext, 
	IN PVOID SystemSpecific2, 
	IN PVOID SystemSpecific3);

VOID MlmeSetTxRate(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN PRTMP_TX_RATE_SWITCH	pTxRate);
#endif /* CONFIG_STA_SUPPORT */

VOID MlmeRAInit(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry);

VOID MlmeNewTxRate(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry);

typedef enum {
	RAL_OLD_DRS,
	RAL_NEW_DRS,
	RAL_QUICK_DRS
}RA_LOG_TYPE;

VOID MlmeRALog(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN RA_LOG_TYPE			raLogType,
	IN ULONG				TxErrorRatio,
	IN ULONG				TxTotalCnt);

VOID MlmeSelectTxRateTable(
	IN struct _RTMP_ADAPTER *pAd,
	IN struct _MAC_TABLE_ENTRY *pEntry,
	IN PUCHAR				*ppTable,
	IN PUCHAR				pTableSize,
	IN PUCHAR				pInitTxRateIdx);

/* normal rate switch */
#define RTMP_DRS_ALG_INIT(__pAd, __Alg)										\
	(__pAd)->rateAlg = __Alg;

#endif /* __DRS_EXTR_H__ */

/* End of drs_extr.h */
